Arkie Seavers is at a concert when he sees his doppelgänger in the crowd.
Arkie Seavers's doppelgänger takes the wheel and crashes his car into a tree.
Mulder and Scully interview Arkie Seavers with his lawyer present.
Scully talks to Dr. Babsi Russel about the rash of incidents and takes special interest in one of the patients, Judy Poundstone.
Scully and Mulder check into the local motel late at night and later Dean shows up in a panic after seeing his doppelgänger.